Drss.

Noun

 * 1)  ; a title used for a female doctor.
 * 2) * 1870, in The United States Medial Investigator. A Monthly Journal of the Medical Sciences, Volume 7, p. 614 (Google Books view):
 * The Cleveland College and Hospital for Women sends us their third announcement. The faculty are: G.H. Blair, on Practice; Drss. Merrick, on Midwifery; Saunders, on Surgery; Brush, Chemistry; Cyriax; Materia Medica; Boynton, Physiology, Pathology and Microscopy; Brown, Anatomy; Chase, Jurisprudence; and Drss. Canfield, Demonstrator
 * 1) * 1880, in The Homœopathic News, Volume 9, p. 81 (Google Books view):
 * Drss. Gœway presents an essay on dysmenorrhœa.
 * 1) * 1883, in American Observer Medical Monthly, Volume 20, p. 240 (Google Books view):
 * Drss. Ella R. Swinney of Smyrna, Del., has been appointed medical missionary to Shanghai, China, by the Baptist Board.